<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
    <table>

      @foreach($user as $v)

      <input name="" id="" class="btn btn-primary" type="button" value="">
       {{ $v->username }}
        <td><a href="">修改</a></td>
      
      @endforeach

    </table>
</body>

<style>
  table,tr,td {
    border: 1px black solid;
  }
</style>
</html>